{"id":4148,"date":"2016-05-06T11:49:00","date_gmt":"2016-05-06T11:49:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-9-science-why-do-we-fall-ill-part-1\/"},"modified":"2018-06-07T17:56:18","modified_gmt":"2018-06-07T12:26:18","slug":"ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/","title":{"rendered":"NCERT Solutions for Class 9 Science Why Do We Fall ill part 1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#NCERT_Class_9_Science_Chapter_wise_Solutions\" >NCERT Class 9 Science Chapter wise Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#NCERT_Solutions_for_Class_9_Science_Why_Do_We_Fall_ill_part_1\" >NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#1_State_any_two_conditions_essential_for_good_health\" >1. State any two conditions essential for good health.<\/a><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#2_State_any_two_conditions_essential_for_being_free_of_disease\" >2. State any two conditions essential for being free of disease.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#3_Are_the_answers_to_the_above_questions_necessarily_the_same_or_different_Why\" >3. Are the answers to the above questions necessarily the same or different? Why?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#1List_any_three_reasons_why_you_would_think_that_you_are_sick_and_ought_to_see_a_doctor_If_only_one_of_these_symptoms_were_present_would_you_still_go_to_the_doctor_Why_or_why_not\" >1.List any three reasons why you would think that you are sick and ought to see a doctor. If only one of these symptoms were present, would you still go to the doctor? Why or why not?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#2_In_which_of_the_following_case_do_you_think_the_long-term_effects_on_your_health_are_likely_to_be_most_unpleasant\" >2. In which of the following case do you think the long-term effects on your health are likely to be most unpleasant?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#1_Why_are_we_normally_advised_to_take_bland_and_nourishing_food_when_we_are_sick\" >1. Why are we normally advised to take bland and nourishing food when we are sick?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#2_What_are_the_different_means_by_which_infectious_diseases_are_spread\" >2. What are the different means by which infectious diseases are spread?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#3_What_precautions_can_you_take_in_your_school_to_reduce_the_incidence_of_infectious_diseases\" >3. What precautions can you take in your school to reduce the incidence of infectious diseases?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#4_What_is_immunisation\" >4. What is immunisation?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#5_What_are_the_immunisation_programmes_available_at_the_nearest_health_centre_in_your_locality_Which_of_these_diseases_are_the_major_health_problems_in_your_area\" >5. What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#NCERT_Solutions_for_Class_9_Science\" >NCERT Solutions for Class 9 Science<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/#CBSE_app_for_Class_9\" >CBSE app for Class 9<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 9 Science Why Do We Fall ill part 1 Class 9 Science book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 9 Science chapter wise NCERT solution for Science Book for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Science\u00a0Why Do We Fall ill <a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-09-science\/1218\/ncert-solutions\/5\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/09_Science_Book.jpg\" alt=\"NCERT Solutions for Class 9 Science Why Do We Fall ill part 1\" width=\"180\" height=\"242\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_9_Science_Chapter_wise_Solutions\"><\/span><span class=\"underline-text\">NCERT Class 9 Science Chapter wise Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>01 \u2013 \u00a0Matter in Our Surroundings<\/li>\n<li>02 \u2013 Is Matter Around us Pure<\/li>\n<li>03 \u2013 Atoms and Molecules<\/li>\n<li>04 \u2013 Structure of the Atom<\/li>\n<li>05 \u2013 The Fundamental Unit of Life<\/li>\n<li>06 \u2013 Tissues<\/li>\n<li>07 \u2013 Diversity in Living Organisms<\/li>\n<li>08 \u2013 Motion<\/li>\n<li>09 \u2013 Force and Laws of Motion<\/li>\n<li>10 \u2013 Gravitation<\/li>\n<li>11 \u2013 Word and Energy<\/li>\n<li>12 \u2013 Sound<\/li>\n<li>13 \u2013 Why Do We Fall Ill<\/li>\n<li>14 \u2013 Natural Resources<\/li>\n<li>15 \u2013 Improvement in Food Resources<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_9_Science_Why_Do_We_Fall_ill_part_1\"><\/span>NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h5><span class=\"ez-toc-section\" id=\"1_State_any_two_conditions_essential_for_good_health\"><\/span><strong>1. State any two conditions essential for good health.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p><strong>Ans. <\/strong>Two conditions essential for good health are:<\/p>\n<p><strong>(i)<\/strong> hygienic surroundings<\/p>\n<p><strong>(ii)<\/strong> good economic and social status<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"2_State_any_two_conditions_essential_for_being_free_of_disease\"><\/span><strong>2. State any two conditions essential for being free of disease.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Two conditions essential for being free of disease:<\/p>\n<p><strong>(i)<\/strong> healthy habits and surroundings<\/p>\n<p><strong>(ii)<\/strong>mental stability and financial status<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"3_Are_the_answers_to_the_above_questions_necessarily_the_same_or_different_Why\"><\/span><strong>3. Are the answers to the above questions necessarily the same or different? Why?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Answers though not identical are similar because for being disease free one needs to be physically and mentally healthy.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<\/p>\n<h6><span class=\"ez-toc-section\" id=\"1List_any_three_reasons_why_you_would_think_that_you_are_sick_and_ought_to_see_a_doctor_If_only_one_of_these_symptoms_were_present_would_you_still_go_to_the_doctor_Why_or_why_not\"><\/span><strong>1.List any three reasons why you would think that you are sick and ought to see a doctor. If only one of these symptoms were present, would you still go to the doctor? Why or why not?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>If we have fever, headache, stomachache, loose motions, cough and sneeze etc we feel weak. Then we would that we are sick and ought to see a doctor. If only one of these symptoms were present we should still go to see the doctor. Any of these symptoms may be initial signs of a severe disease.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<\/p>\n<h6><span class=\"ez-toc-section\" id=\"2_In_which_of_the_following_case_do_you_think_the_long-term_effects_on_your_health_are_likely_to_be_most_unpleasant\"><\/span><strong>2. In which of the following case do you think the long-term effects on your health are likely to be most unpleasant?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>\u2022 if you get jaundice,<\/strong><\/p>\n<p><strong>\u2022 if you get lice,<\/strong><\/p>\n<p><strong>\u2022 if you get acne.<\/strong><\/p>\n<p><strong>Why?<\/strong><\/p>\n<p><strong>Ans. <\/strong>The long-term effects on our health are likely to be most unpleasant if we get jaundice because the symptoms severely affect our internal organs and persist for long time.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<\/p>\n<h6><span class=\"ez-toc-section\" id=\"1_Why_are_we_normally_advised_to_take_bland_and_nourishing_food_when_we_are_sick\"><\/span><strong>1. Why are we normally advised to take bland and nourishing food when we are sick?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>1. We are normally advised to take bland and nourishing food when we are sick because we are weak during illness and need complete nourishment for faster recovery.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"2_What_are_the_different_means_by_which_infectious_diseases_are_spread\"><\/span><strong>2. What are the different means by which infectious diseases are spread?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Infectious diseases can spread by following means:<\/p>\n<p><strong>a)<\/strong> through contaminated food and water<\/p>\n<p><strong>b)<\/strong> through air<\/p>\n<p><strong>c)<\/strong> through vectors or carriers (housefly, mosquito etc)<\/p>\n<p><strong>d)<\/strong> through direct skin contact or sexual contact<\/p>\n<p><strong>e)<\/strong> through cuts and wounds<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"3_What_precautions_can_you_take_in_your_school_to_reduce_the_incidence_of_infectious_diseases\"><\/span><strong>3. What precautions can you take in your school to reduce the incidence of infectious diseases?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>To reduce the incidence of infectious diseases in my school the precautions will include:<\/p>\n<p><strong>(i)<\/strong> Isolating diseased students and clean surroundings<\/p>\n<p><strong>(ii)<\/strong> clean food and purified drinking water<\/p>\n<p><strong>(iii)<\/strong> not eating junk food and open\/uncovered food materials<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"4_What_is_immunisation\"><\/span><strong>4. What is immunisation?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Immunisation is a method of preparing memory cells in immune system. In this method weak or dead microbes of disease are injected in the body such that develop memory lymphocytes(WBCs) but do not cause disease. eg vaccination against polio, tetanus etc.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<\/p>\n<h6><span class=\"ez-toc-section\" id=\"5_What_are_the_immunisation_programmes_available_at_the_nearest_health_centre_in_your_locality_Which_of_these_diseases_are_the_major_health_problems_in_your_area\"><\/span><strong>5. What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>DPT vaccine: it is for diphtheria, pertussis and tetanus in infants.<\/p>\n<p>Pulse polio vaccine: it is to prevent polio.<\/p>\n<p>BCG vaccine: bacillus calmette Guerin vaccine for tuberculosis.<\/p>\n<p>Hepatitis vaccine<\/p>\n<p>TAB vaccine for typhoid.<\/p>\n<p>tuberculosis and diarrhea are the major health problems in our area.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_9_Science\"><\/span>NCERT Solutions for Class 9 Science<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 9 Science PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 9 Science includes text book solutions .NCERT Solutions for CBSE Class 9 Science have total 15 chapters. 9 Science NCERT Solutions in PDF for free Download on our website. Ncert Science class 9 solutions PDF and Science ncert class 9 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Class_9\"><\/span>CBSE app for Class 9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 9 Science, Computer Science, Home Science,Hindi ,English, Maths Social Science do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 9 Science Why Do We Fall ill part 1 Class 9 Science book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from &#8230; <a title=\"NCERT Solutions for Class 9 Science Why Do We Fall ill part 1\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science-why-do-we-fall-ill-part-1\/\" aria-label=\"More on NCERT Solutions for Class 9 Science Why Do We Fall ill part 1\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":-1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,1377],"tags":[283,1344,216,349],"class_list":["post-4148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-solutions","category-science-cbse-class-09","tag-cbse-study-material","tag-class-9","tag-ncert-solutions","tag-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 9 Science Why Do We Fall ill part 1<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 9 Science Why Do We Fall ill part 1 in PDF format for free download. 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